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Class 74 - Machine element or mechanism

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762 Subclasses


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Definition

Mechanical combinations, contrivances, or devices constituting portions of machines, instruments and apparatus and consisting of two or more fixed and movable parts so combined that the motion of one compels a completely controlled or constrained motion of the other according to a law of operation inherent in and depending on the nature of the combination, and also the elemental parts of such machines not provided for in other machine element classes.

Lines with other classes and within this class

This class is intended as a generic class for mechanism and machine parts not otherwise classified. Other machine element classes subgeneric hereto are Class 384, Bearings; Class 464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts.

This class does not include machines and instruments or apparatus claimed as such, for which see the appropriate art classes. It does not include the special tools, instruments, and subcombinations peculiar to the special arts and provided for in the classification of the art classes.

 
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